[Physics Problem] I can't play my Game.

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elisamuelps
- Joined 26 Aug, 2012
- 8 topics • 27 posts
1

21 Oct, 2014
Quote

Well, I've recently installed the lastest version of C2 (r185) Beta, and when I chose to test my game I get the following error:

Uncaught node.js Error 

Assertion failed: 3 <= count && count <= 8, at: Box2D_v2.2.1/Box2D/Collision/Shapes/b2PolygonShape.cpp,122,void b2PolygonShape::Set(const b2Vec2 *, int32) at Error
    at Error (native)
    at x.___assert_func (http://localhost:5004/Physics_behavior.js:233:28)
    at dc (http://localhost:5004/Physics_behavior.js:213:73440)
    at nQ (http://localhost:5004/Physics_behavior.js:214:142833)
    at Q.Set (http://localhost:5004/Physics_behavior.js:482:367)
    at createPolygonShape (http://localhost:5004/Physics_behavior.js:568:11)
    at behinstProto.createBody (http://localhost:5004/Physics_behavior.js:1469:24)
    at behinstProto.postCreate (http://localhost:5004/Physics_behavior.js:1083:8)
    at Runtime.createInstanceFromInit (http://localhost:5004/preview.js:2964:28)
    at Layer.createInitialInstances (http://localhost:5004/layout.js:1363:25)[/code:h0c7bjiz]

This Happened on Node Webkit and Google Chrome, on firefox the screen freezes and nothing more happens. I've disabled all the Physics, and when i want to use an object with physics on my project I get this.
Thanks in Advance.

- zenox98
- - Joined 30 Jun, 2010
  - 65 topics • 5,992 posts
- 1
- 21 Oct, 2014
- Quote
I think this has to do with having more than 8 collision points when using Box2d asm ( see https://www.scirra.com/forum/r173_p796179?#p796179 from Ashley).
- spongehammer
- - Joined 30 Oct, 2012
  - 91 topics • 1,086 posts
- 1
- 21 Oct, 2014
- Quote
Make sure that none of the collision points overlap to produce an invalid collision shape.

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- elisamuelps
- - Joined 26 Aug, 2012
  - 8 topics • 27 posts
- 1
- 21 Oct, 2014
- Quote
Hey, thanks I've checked up and it's a bug on r185 Beta, I'm not using asm.js to make the physics simulation. Only Box2d, also none of my collision points are wrong, I've put all on bounding box and the error it's fixed, but since I'm using more than 8 collision points I stopped using asm.js... Well when I Change on the project properties the physics engine It seems that it doesn't change at all, so the engine is using asm.js even if on the project properties bar I change the value to "box2d".